<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
</head>
<body>
    <div id="container" style="width:500px">
        <h1>这是内容网页</h1>
        <a href="/">点我回到首页</a>
        <div id="header" style="background-color:#FFA500;">
            <h1 style="margin-bottom:0;">网页的主标题</h1>
        </div>
        <div id="menu" style="background-color:#FFD700;height:200px;width:100px;float:left;">
            <b>菜单</b><br>
            HTML<br>
            CSS<br>
            JavaScript
        </div>
        <div id="content" style="background-color:#EEEEEE;height:200px;width:400px;float:left;">
            内容就在这里</div>
        <div id="footer" style="background-color:#FFA500;clear:both;text-align:center;">
            Copyright © W3Cschools.com</div>
    </div>
</body>

</html>